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Amazon.com : Giro Tyrant Spherical Adult Mountain Cycling Helmet - Matte Black Hypnotic (Discontinued), Medium (55-59 cm) : Sports & Outdoors
![Amazon.com : Giro Tyrant Spherical Adult Mountain Cycling Helmet - Matte Black Hypnotic (Discontinued), Medium (55-59 cm) : Sports & Outdoors Amazon.com : Giro Tyrant Spherical Adult Mountain Cycling Helmet - Matte Black Hypnotic (Discontinued), Medium (55-59 cm) : Sports & Outdoors](https://m.media-amazon.com/images/I/31O8Y6z8cxL._AC_SY350_.jpg)
Amazon.com : Giro Tyrant Spherical Adult Mountain Cycling Helmet - Matte Black Hypnotic (Discontinued), Medium (55-59 cm) : Sports & Outdoors
![Amazon.com : Giro Tyrant Spherical Adult Mountain Cycling Helmet - Matte Black Hypnotic (Discontinued), Medium (55-59 cm) : Sports & Outdoors Amazon.com : Giro Tyrant Spherical Adult Mountain Cycling Helmet - Matte Black Hypnotic (Discontinued), Medium (55-59 cm) : Sports & Outdoors](https://m.media-amazon.com/images/I/41U3KTNwGUL._QL92_SH45_SS200_.jpg)